An object that is projected straight downward with an initial velocity v feet per second travels a distance
s = vt + 16t2 where t = time in seconds. If a coin
dropped from a window 144 feet above the ground has an
initial velocity of O feet per second, in how many seconds
will the coin reach the ground?
O A. 12 seconds
O B. 9 seconds
O c. 4 seconds
O D. 3 seconds